US2583131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine-driven electric generating plant
Assignee: English Electric Co Ltd
•
Filing: 1949-09-20
•
Granted: 1952-01-22
•
Expires: 1969-09-20
Abstract
No abstract record available.
Inventors
- 👤 Abbink-Spaink Johann Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:31
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/10; B60L50/11; B60L2200/00; B60L2200/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1657239A
Cited
US1833017A
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US2290867A
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US2245083A
Cited
US2292203A
Cited
US2433628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |